CN203730320U - Sliding valve component and compressor with same - Google Patents
Sliding valve component and compressor with same Download PDFInfo
- Publication number
- CN203730320U CN203730320U CN201420112809.9U CN201420112809U CN203730320U CN 203730320 U CN203730320 U CN 203730320U CN 201420112809 U CN201420112809 U CN 201420112809U CN 203730320 U CN203730320 U CN 203730320U
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- CN
- China
- Prior art keywords
- slide valve
- valve assembly
- oil
- attachment hole
- guiding valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a sliding valve component and a compressor with the same. The sliding valve component comprises a sliding valve (10) and a sliding valve rod (20); the first end of the sliding valve rod (20) is connected to the sliding valve (10); the sliding valve rod (20) comprises an oil passing hole (21) extending in the length direction of the sliding valve rod (20); one or more first connecting holes (11) are formed in the sliding valve (10); the first ends of the first connecting holes (11) are communicated with the oil passing hole (21); the second ends of the first connecting holes (11) are communicated with the sliding surface of the sliding valve (10). The sliding valve component can solve the problem that sliding valves are easy to be scraped during a moving process in the prior art.
Description
Technical field
The utility model relates to compressor arrangement design field, in particular to a kind of slide valve assembly and the compressor that comprises this slide valve assembly.
Background technique
The most frequently used displacement regulating method of screw compressor is that an axial transportable guiding valve is set between two rotors.The movement of spool position can change the effective active length of screw rotor, thereby reaches the object that displacement regulates.In the process regulating at displacement, guiding valve belongs to key components and parts.But due to guiding valve and compressor block matching gap very little, easily cause causing scratch in guiding valve moving process, also easily compressor block piston chamber is caused to scratch.
Model utility content
The compressor that the utility model aims to provide a kind of slide valve assembly and comprises this slide valve assembly, to solve the problem being easily scratched in guiding valve moving process in prior art.
To achieve these goals, according to an aspect of the present utility model, provide a kind of slide valve assembly, having comprised: guiding valve; Slide valve lever, first end is connected to guiding valve, and slide valve lever includes the oil through extending along the length direction of slide valve lever; On guiding valve, be provided with at least one first attachment hole, the first end of the first attachment hole is communicated to oil through, and the second end of the first attachment hole is communicated to the slidingsurface of guiding valve.
Further, in guiding valve, also comprise and draw oilhole, draw oilhole and be communicated to oil through, and coaxially arrange with oil through, the first end of the first attachment hole is connected to and draws oilhole.
Further, the slidingsurface of guiding valve is provided with the axially extended oil groove along oil through, and oil groove is communicated to the second end of the first attachment hole.
Further, the diameter of the first attachment hole is 2 to 5mm.
Further, the diameter of the first attachment hole is 4mm.
Further, the bearing of trend of the first attachment hole is perpendicular to the glide direction of guiding valve.
Further, the first attachment hole is two, and two the first attachment holes lay respectively at the both sides of longitudinal midplane of guiding valve.
Further, the angled setting of the central axis of two the first attachment holes.
Further, the first attachment hole is from the oblique downward-extension of oil through.
Further, the first attachment hole is circular hole, elliptical aperture or polygonal hole.
According on the other hand of the present utility model, a kind of compressor is provided, comprise piston chamber, slide valve assembly and start cylinder, this slide valve assembly is above-mentioned slide valve assembly, the guiding valve of slide valve assembly is slidably disposed in piston chamber, the second end of the slide valve lever of slide valve assembly is arranged in start cylinder, and is slided by start cylinder rotating band movable pulley.
Further, be provided with oily piston in start cylinder, the second end of slide valve lever is fixedly connected on oily piston by screw, is provided with the connection oilhole of the oil through that is communicated to slide valve lever on screw.
Further, oily piston is divided into rod chamber and rodless cavity by start cylinder, connects oilhole and is connected to rodless cavity, and rodless cavity one side is connected with oil feed line, and rod chamber one side is provided with return mechanism, and return mechanism drives oily piston return.
Further, return mechanism comprises the return spring being arranged between oily piston and the interior casing wall of start cylinder.
Further, on the interior casing wall that return spring is set of start cylinder, be provided with fitting seat, fitting seat includes positioning convex, and return spring is set on positioning convex.
Application the technical solution of the utility model, slide valve assembly comprises: guiding valve; Slide valve lever, first end is connected to described guiding valve, and described slide valve lever includes the oil through extending along the length direction of described slide valve lever; On described guiding valve, be provided with at least one first attachment hole, the first end of described the first attachment hole is communicated to described oil through, and the second end of described the first attachment hole is communicated to the slidingsurface of described guiding valve.When the work of this slide valve assembly, can be by slide valve lever to the first attachment hole fuel feeding, make fluid arrive the slidingsurface of guiding valve, thereby at the slidingsurface of guiding valve, form lubricatedly, avoid guiding valve to abrade in sliding process.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the structural representation of embodiment's of the present utility model slide valve assembly; And
Fig. 2 shows according to embodiment's of the present utility model slide valve assembly the application structure schematic diagram in compressor.
Reference character: 10, guiding valve; 20, slide valve lever; 30, piston chamber; 40, start cylinder; 50, oily piston; 60, screw; 70, return spring; 11, the first attachment hole; 12, oil groove; 21, oil through; 22, draw oilhole; 41, oil feed line; 42, fitting seat; 43, positioning convex; 61, connect oilhole.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the utility model in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As depicted in figs. 1 and 2, according to embodiment of the present utility model, slide valve assembly comprises guiding valve 10 and slide valve lever 20, and the first end of slide valve lever 20 is connected to guiding valve 10, between guiding valve 10 and slide valve lever 20, can or be threaded etc. for welding.Slide valve lever 20 includes the oil through 21 extending along the length direction of slide valve lever 20, and oil through 21 extends to the first end of slide valve lever 20 from the second end of slide valve lever 20, for fluid is introduced to guiding valve 10 from slide valve lever 20.The second end that the first end that is provided with at least one the first attachment hole 11, the first attachment hole 11 on guiding valve 10 is communicated to oil through 21, the first attachment holes 11 is communicated to the slidingsurface of guiding valve 10.When fluid enters after the oil through 21 of slide valve lever 20, can along oil through 21, through the first attachment hole 11, enter into the slidingsurface of guiding valve 10, make can pass through oil lubrication between guiding valve 10 and the structure matching.
When using slide valve assembly of the present utility model; because fluid can enter through the oil through 21 of slide valve lever 20 in the first attachment hole 11; and from the first attachment hole 11, flow to the slidingsurface of guiding valve 10; therefore can in guiding valve 10 sliding processes, form lubricated; avoid forming and abrading in guiding valve 10 sliding processes and between cooperating structure; therefore can effectively protect guiding valve 10; in addition; by these fluid; can also reduce guiding valve 10 suffered friction in sliding process; reduce the heat producing in guiding valve 10 sliding processes, extend the working life of guiding valve 10.
Preferably; the bearing of trend of the first attachment hole 11, perpendicular to the glide direction of guiding valve 10, can make fluid from oil through 21, arrive the shortest path of the slidingsurface of guiding valve 10, is convenient to fluid and arrives and need regions of lubrication fast; participate in fast lubricating, more effectively protect guiding valve 10.
In guiding valve, can also comprise and draw oilhole 22, draw oilhole and be communicated to oil through 21, and coaxially arrange with oil through 21, the first end of the first attachment hole 11 is connected to and draws oilhole 22.Draw oilhole 22 and can extend the length of oil through 21, thereby make fluid can arrive preferably lubricated position.Preferably; the diameter that draws oilhole 22 is greater than oil through 21; thereby make to draw the effect that oilhole 22 can play temporary fluid simultaneously; can be in a large amount of oil lubrications of needs; sufficient source of lubrication is provided; and can not be subject to oil through 21 inner fluid stream quantitative limitations, therefore can more effectively guarantee the lubrication effect of fluid the slidingsurface of guiding valve 10 to be played to better protective action.
The slidingsurface of guiding valve 10 can arrange the axially extended oil groove 12 along oil through, and oil groove 12 is communicated to the second end of the first attachment hole 11.Fluid, from the interior inflow oil groove 12 of the first attachment hole 11, can be accelerated the diffusion velocity of fluid, and increase the diffusion area of fluid along the length direction diffusion of oil groove, and the slidingsurface at guiding valve 10 forms protection oil reservoir faster and better.
Generally, according to the project organization of the structure of air-conditioning itself and slide valve assembly, the diameter of the first attachment hole is 2 to 5mm.Preferably, the diameter of the first attachment hole is 4mm.
Preferably, the first attachment hole 11 is two, and two the first attachment holes 11 lay respectively at the both sides of longitudinal midplane of guiding valve 10, and two the first attachment holes 11 are all from the oblique downward-extension of oil through 21, and the angled setting of central axis of two the first attachment holes 11.Generally, impact due to guiding valve 10 self gravitations, in guiding valve 10 sliding processes, the heavier region that is subject to rubbing is mainly positioned at the lower side position of guiding valve 10, therefore, make the first attachment hole 11 from the oblique downward-extension of oil through 21, can make fluid preferentially arrive the serious region of friction, can make the lubrication effect of fluid be utilized more fully.In addition, because the both sides of longitudinal midplane of guiding valve 10 are all because gravity is subject to larger friction, therefore, the first attachment hole 11 is all set in these both sides, can be so that the distribution of fluid be more reasonable.
Certainly, the quantity of the first attachment hole 11 is not limited to one or two, can need to be configured voluntarily by staff according to actual use completely.
The first attachment hole 11 is can circular hole, elliptical aperture or polygonal hole etc.
In conjunction with referring to shown in Fig. 1 and Fig. 2, according to embodiment of the present utility model, compressor comprises piston chamber 30, slide valve assembly and start cylinder 40, this slide valve assembly is above-mentioned slide valve assembly, the guiding valve 10 of slide valve assembly is slidably disposed in piston chamber 30, the second end of the slide valve lever 20 of slide valve assembly is arranged in start cylinder 40, and is slided by start cylinder 40 rotating band movable pulleys 10.In the process of sliding at guiding valve 10, lubricated due to fluid, can avoid and the inwall of piston chamber 30 between cause scratch, thereby the inwall of guiding valve 10 and piston chamber 30 is formed to protection, to compressor is whole, form protection, extend the working life of compressor.
In the present embodiment, in start cylinder 40, be provided with oily piston 50, the second end of slide valve lever 20 is fixedly connected on oily piston 50 by screw 60, on screw 60, be provided with the connection oilhole 61 of the oil through 21 that is communicated to slide valve lever 20, this connection oilhole 61 can avoid screw 60 to stop up oil through 21, make fluid to enter smoothly oil through 21 by connecting oilhole 61, guarantee that fluid can arrive the slidingsurface of guiding valve 10 smoothly.Oil piston 50 is divided into rod chamber and rodless cavity by start cylinder 40, connects oilhole 61 and is connected to rodless cavity, and rodless cavity one side is connected with oil feed line 41, and rod chamber one side is provided with return mechanism, and return mechanism drives oily piston 50 returns.
When needs guiding valve 10 slides, can be by oil feed line 41 the rodless cavity fuel feeding to start cylinder 40, under the pressure-acting of fluid, oily piston 50 drives slide valve levers 20 to guiding valve 10 place lateral movements, thus band movable pulley 10 slides.In this process, part fluid enters in oil through 21 from the connection oilhole 61 of screw 60, then flows in the first attachment hole 11 on guiding valve 10, after the first attachment hole 11, flow to the slidingsurface of guiding valve 10, now guiding valve 10 is in the lubrication lower slider of fluid.When needs guiding valve 10 return, oil feed line 41 can be connected to fuel tank, now, under the return effect of return mechanism, fluid flows out from the rodless cavity of start cylinder 40, oil piston 50 to oil feed line 41 place side shiftings, is with movable pulley 10 returns under the effect of return mechanism.
In the present embodiment, return mechanism comprises the return spring 70 being arranged between oily piston 50 and the interior casing wall of start cylinder 40.Preferably, on the interior casing wall that return spring 70 is set of start cylinder 40, be provided with fitting seat 42, fitting seat 42 includes positioning convex 43, and return spring 70 is set on positioning convex 43.Positioning convex 43 can form radial location to return spring 70, prevents that return spring 70 from the process of work, skew occurring and causing oily piston 50 discontinuity equalizations.Also the structure that is provided with 70 radial motions of restriction return spring on oily piston 50, this structure can be projection, can be also groove, correspondingly, the positioning convex 43 on fitting seat 42 also can replace with groove.
Return mechanism is not limited to aforesaid way, can be also alternate manner, for example, in rod chamber one side also connected pipes, now just can pass in and out to realize by controlling the fluid of rod chamber and rodless cavity the to-and-fro motion of guiding valve 10.
Preferably, compressor is helical-lobe compressor.
From above description, can find out, the utility model the above embodiments have realized following technique effect: can be by slide valve lever to the first attachment hole fuel feeding, make fluid arrive the slidingsurface of guiding valve, thereby the slidingsurface at guiding valve forms lubricated, avoid guiding valve to abrade in sliding process, extend the working life of guiding valve, and then extend the working life of compressor.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (15)
1. a slide valve assembly, is characterized in that, comprising:
Guiding valve (10);
Slide valve lever (20), first end is connected to described guiding valve (10), and described slide valve lever (20) includes the oil through (21) extending along the length direction of described slide valve lever (20);
On described guiding valve (10), be provided with at least one first attachment hole (11), the first end of described the first attachment hole (11) is communicated to described oil through (21), and the second end of described the first attachment hole (11) is communicated to the slidingsurface of described guiding valve (10).
2. slide valve assembly according to claim 1, it is characterized in that, in described guiding valve (10), also comprise and draw oilhole (22), the described oilhole (22) that draws is communicated to described oil through (21), and coaxially arrange with described oil through (21), described in being connected to, the first end of described the first attachment hole (11) draws oilhole (22).
3. slide valve assembly according to claim 1, it is characterized in that, the slidingsurface of described guiding valve (10) is provided with the axially extended oil groove (12) along described oil through (21), and described oil groove (12) is communicated to the second end of described the first attachment hole (11).
4. slide valve assembly according to claim 1, is characterized in that, the diameter of described the first attachment hole (11) is 2 to 5mm.
5. slide valve assembly according to claim 4, is characterized in that, the diameter of described the first attachment hole (11) is 4mm.
6. slide valve assembly according to claim 1, is characterized in that, the bearing of trend of described the first attachment hole (11) is perpendicular to the glide direction of described guiding valve (10).
7. slide valve assembly according to claim 1, is characterized in that, described the first attachment hole (11) is two, and described two the first attachment holes (11) lay respectively at the both sides of longitudinal midplane of described guiding valve (10).
8. slide valve assembly according to claim 7, is characterized in that, the angled setting of central axis of described two the first attachment holes (11).
9. slide valve assembly according to claim 1, is characterized in that, described the first attachment hole (11) is from the oblique downward-extension of described oil through (21).
10. slide valve assembly according to claim 1, is characterized in that, described the first attachment hole (11) is circular hole, elliptical aperture or polygonal hole.
11. 1 kinds of compressors, comprise piston chamber (30), slide valve assembly and start cylinder (40), it is characterized in that, described slide valve assembly is the slide valve assembly described in any one in claim 1 to 10, the guiding valve of described slide valve assembly (10) is slidably disposed in described piston chamber (30), the second end of the slide valve lever of described slide valve assembly (20) is arranged in described start cylinder (40), and is driven and driven described guiding valve (10) to slide by described start cylinder (40).
12. compressors according to claim 11, it is characterized in that, in described start cylinder (40), be provided with oily piston (50), it is upper that the second end of described slide valve lever (20) is fixedly connected on described oily piston (50) by screw (60), is provided with the connection oilhole (61) of the oil through (21) that is communicated to described slide valve lever (20) on described screw (60).
13. compressors according to claim 12, it is characterized in that, described oily piston (50) is divided into rod chamber and rodless cavity by described start cylinder (40), described connection oilhole (61) is connected to described rodless cavity, described rodless cavity one side is connected with oil feed line (41), described rod chamber one side is provided with return mechanism, and described return mechanism drives described oily piston (50) return.
14. compressors according to claim 13, is characterized in that, described return mechanism comprises the return spring (70) being arranged between described oily piston (50) and the interior casing wall of described start cylinder (40).
15. compressors according to claim 14, it is characterized in that, on the interior casing wall that described return spring (70) is set of described start cylinder (40), be provided with fitting seat (42), described fitting seat (42) includes positioning convex (43), and described return spring (70) is set on described positioning convex (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112809.9U CN203730320U (en) | 2014-03-12 | 2014-03-12 | Sliding valve component and compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112809.9U CN203730320U (en) | 2014-03-12 | 2014-03-12 | Sliding valve component and compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730320U true CN203730320U (en) | 2014-07-23 |
Family
ID=51200399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112809.9U Expired - Fee Related CN203730320U (en) | 2014-03-12 | 2014-03-12 | Sliding valve component and compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912804A (en) * | 2014-03-12 | 2015-09-16 | 珠海格力电器股份有限公司 | Slide valve assembly and compressor containing slide valve assembly |
| CN114729639A (en) * | 2019-11-26 | 2022-07-08 | 三菱电机株式会社 | Screw compressor |
-
2014
- 2014-03-12 CN CN201420112809.9U patent/CN203730320U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912804A (en) * | 2014-03-12 | 2015-09-16 | 珠海格力电器股份有限公司 | Slide valve assembly and compressor containing slide valve assembly |
| CN114729639A (en) * | 2019-11-26 | 2022-07-08 | 三菱电机株式会社 | Screw compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20210312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |